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Cloud Computing: principles and paradigms - Part III 1

Presented by Majid Hajibaba

11-T-SYSTEMS’ CLOUD-BASEDSOLUTIONS FOR BUSINESSAPPLICATIONSMICHAEL PAULY

Cloud Computing

Principles and Paradigms

27 April 2013



Introduction• T-Systems

• ICT service provider• Offers IT, telecommunications, integrated ICT services• 75 data center• 50,000 sever• Europa, Asia, America, Africa

• T-Systems uses Cloud Computing• leverage its services delivered from data centers• aligns cloud computing with the specific requirements

• rejecting cloud principles where• conflict with statutory requirements• conflict with security imperatives

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Enterprise ~ Cloud Computing

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Dynamic ICT Services• Companies Challenge

• need to penetrate new markets• to launch new services• to supply sales models• to make joint offerings with partners

• Solution• Dynamic ICT Services (cloud)

• Features • Industrialization

• Standardization• Automation

• Modularization• Integrated creation of ICT services

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IMPORTANCE OF QUALITY AND SECURITY IN CLOUDS• Quality

• End-to-End SLA• Availability

• Important for business• Not serious for ICT services• Weighing up risk against cost

• higher service levels come at a higher price

• Quality: right levels for each service NOT highest levels

• Security• Compliance• Key drawback of cloud computing• legal issues (e.g., privacy and liability)

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Dynamic Data Center• Produce Business-Ready, dynamic ICT Services• Flexibility across all modules

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Agile LAN,WAN

Adaptable Processing and storage resources

Flexible Functional modules

Management with manual intervention



Toward Dynamic ICT Services• Dynamic (flexible) ICT Service

1. Standardize customer’s environment• Software : single operation system• Hardware : like specific processor generation

2. Technical consolidation• Reduce servers• Reduce storages• Use identical backup/restore mechanism• Close small data center

3. Separating logical from physical• Use virtualization

• Process Automation

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Core Cloud Modules• T-Systems• Core cloud modules

• Computing• Storage• Communication

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Computing

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CMDB Role



Computing in Cloud• Advantages over conventional ICT environments

• Switch customer apps. From server to server• CMDB updated automatically

• Enhanced monitoring and reporting• Quality management• Resource planning• Maintain one version of each operating system

• To limit number of OS’s• To minimize administrative effort

• Virtualized applications• Reduce provisioning time• Quick move among servers• Update independently from OS

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Storage• IP-based Storage system

• use NAS, neither SAN nor DAS• Linked via Gbit Ethernet• Using fiber channel

• BIS• Backup Integrated Storage• Couple backup to storage• Snapshotting

• Archive• Different fire zone• Initiated from

• Applications • Document management system

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Storage resources

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Communication• Integrate storage and computing modules• Segregate network by VPN• Customer Network

• Customers : Via internet or VPN• Companies : Via unique IP address• Protected by clustered firewalls

• Storage Network• A separate storage network• Accessing OS images, application and customer data

• Administration Network• Segregated from all others networks• Has no access to customer’s data

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Dynamic Applications for Enterprises (T-System)Enterprise Requirement • Communication and collaboration

• frequent changes in user numbers• need flexible means of handling communications and collaboration• T-Systems offers two leading email systems via dynamic service

• ERP and CRM• Supported by Dynamic Systems • T-Systems offer SAP and Navision

• Development and Testing• Use configured systems that are not currently required• Use computing resources are no longer needed

• Middleware• Platform as a Service (PaaS)• T-Systems middleware : dynamic database, web server, portal

• Front-Ends and Devices• Such as Office applications• T-Systems offers via dynamic desktop service

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T-Systems Case Study• Dynamic Infrastructure Service

• A mid-sized furniture manufacturer• In average 1500 couches daily• Halved in summer• Outsource resource provisioning to T-Systems (use IaaS)• Scale up or down according number of users• Move at edge of technology

• T-System offers private cloud• T-Systems benefit from VMware vCloud

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Summary• Cost and Market pressure > call increased productivity• Conventional Outsourcing

• Cut cost• No flexibility

• Cloud Computing• Flexibility• Straightforward relationship between providers and their customers• On demand resource• Pay per use

• Outsourcing factors• Cost, flexibility, privacy, security, legislation, QoS• Solution:

• Private cloud: mission-critical systems • Public cloud: non mission-critical and not require service level• Hybrid cloud: large company

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Cloud Computing: principles and paradigms - Part III

ENDT-systems’ Cloud-based Solutions For Business Applications

27 April 2013

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